description of goods:This 4-in-1 parallel multi-battery charging Hub is designed for Phantom 3 intelligent battery. it can charge up to four Intelligent Batteries. The battery is charged one by one, and will be charged in sequence according to their power levels, from high to low. Feature: 1.Charger battery housekeeper nanny and filled board for Phantom 3 wizard 3. 2.Intelligent charging management, the highest priority is full of battery power. 3.The entire process is automatic without manual operation, LED indicator can shows the power state, the state of charge at a glance. 4.Built in intelligent protection, high security. 5.With the standard charger or power supply using 17.5V for Phantom 3 series. Package included: 1x charging hub (Do not include batteries and Original charger )